<template>
    <div>
        <!-- 面包屑导航区 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model ="queryInfo.query" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search"
                    @click='getGoodsList'></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
            <el-button type="primary" style="margin-left:10px;" @click="goAddPage()">添加商品</el-button>
            </el-col>
        </el-row>
        <!-- table表格区 -->
        <el-table :data="goodsList" border stripe>
            <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="商品名称"
                prop="goods_name">
                </el-table-column>
                <el-table-column label="商品价格(元)" width='120px'
                prop="goods_price">
                </el-table-column>
                 <el-table-column label="商品重量" width='95px'
                prop="goods_weight">
                </el-table-column>
                 <el-table-column label="创建时间" width='140px'
                prop="add_time">
                <template slot-scope="scope">
                    {{scope.row.add_time | dateFormat}}
                </template>
                </el-table-column>
                 <el-table-column label="操作" width="180px"
                >
                <template slot-scope="scope">
                    <el-button icon="el-icon-edit" type="primary" size="mini">编辑</el-button>
                     <el-button icon="el-icon-delete" type="danger" size="mini" @click="removeById(scope.row.goods_id)">删除</el-button>
                </template>
                </el-table-column>
        </el-table>
        <!-- 分页功能 -->
         <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total" background>
            </el-pagination>
    </el-card>
    </div>
</template>
<script>
export default {
    data(){
        return{
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表数组
            goodsList:[],
            // 总页数
            total:0
        }
    },
    methods:{
        // 根据分页获取相应的参数列表
     async   getGoodsList(){
     const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
     if(res.meta.status !== 200){
         return this.$message.error('获取分页参数列表失败')
     }
     this.goodsList = res.data.goods;
     this.total = res.data.total;
     console.log(this.goodsList)

        },
        handleSizeChange(){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
      async  removeById(id){
    const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }).catch(err=>err)
                if(confirmResult !=='confirm'){
                    return this.$message.info('已经取消删除！')
                }
        const{data:res} = await this.$http.delete(`goods/${id}`)
        if(res.meta.status !==200){
            return this.$message.error('删除失败!')
        }
        this.$message.success('删除成功！')
        this.getGoodsList()
        },
        goAddPage(){
            this.$router.push('/add');
        }
    },
    created(){
        this.getGoodsList()
    }
}
</script>
<style scoped>

</style>